초록 ▼

A coated article is provided with a coating or layer system that includes at least one layer including zirconium (Zr) and/or zirconium nitride (ZrNx) sandwiched between at least a pair of dielectric layers. In certain example embodiments, the coating or layer system has good corrosion resistance, go

A coated article is provided with a coating or layer system that includes at least one layer including zirconium (Zr) and/or zirconium nitride (ZrNx) sandwiched between at least a pair of dielectric layers. In certain example embodiments, the coating or layer system has good corrosion resistance, good mechanical performance such as scratch resistance, and/or good color stability (i.e., a low ΔE* value(s)) upon heat treatment (HT).

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1. A coated article including a layer system supported by a glass substrate, the layer system comprising:a first layer comprising silicon nitride; a layer comprising zirconium nitride provided on the glass substrate over the first layer comprising silicon nitride; a second layer comprising silicon n

1. A coated article including a layer system supported by a glass substrate, the layer system comprising:a first layer comprising silicon nitride; a layer comprising zirconium nitride provided on the glass substrate over the first layer comprising silicon nitride; a second layer comprising silicon nitride provided on the glass substrate over the layer comprising zirconium nitride; wherein the first layer comprising silicon nitride, located under the layer comprising zirconium nitride, is significantly thicker than the second layer comprising silicon nitride which is located over the layer comprising zirconium nitride, and wherein the second layer comprising silicon nitride is an overcoat so as to be an outermost layer of the layer system. 2. The coated article of claim 1, wherein the layer comprising zirconium nitride is in direct contact with each of the first and second layers comprising silicon nitride.3. The coated article of claim 1, wherein at least one of the layers comprising silicon nitride further includes at least one of stainless steel, aluminum, and oxygen.4. The coated article of claim 1, wherein the coated article is not heat treated.5. The coated article of claim 1, wherein the coated article is heat treated and has a ΔE*G (glass side reflective) value of no greater than 4.0 due to heat treatment, wherein the heat treatment is for at least about 5 minutes at a temperature(s) of at least about 580 degrees C.6. The coated article of claim 1, wherein the coated article is heat treated and has a ΔE*G (glass side reflective) value of no greater than 2.5 due to heat treatment.7. The coated article of claim 1, wherein the coated article is heat treated and has a ΔE*G (glass side reflective) value of no greater than 2.0 due to heat treatment, wherein the heat treatment is for at least about 5 minutes at a temperature(s) of at least about 580 degrees C.8. The coated article of claim 1, wherein the coated article is chemically durable in that it is characterized by a ΔCG (glass side reflective) value of no greater than 3.0 when exposed to a boil comprising HCl for one hour.9. The coated article of claim 1, wherein the coated article is chemically durable in that it is characterized by a ΔCG (glass side reflective) value of no greater than 2.0 when exposed to a boil comprising HCl for one hour.10. The coated article of claim 1, wherein the coated article has a visible transmission of from about 10-40%.11. The coated article of claim 1, wherein the layer system consists essentially of the first and second layers and the layer comprising zirconium nitride.12. A coated article including a layer system supported by a glass substrate, the layer system comprising:a first layer comprising silicon nitride; a metallic layer comprising zirconium provided on the glass substrate over the first layer comprising silicon nitride; a second layer comprising silicon nitride provided on the glass substrate over the metallic layer comprising zirconium; wherein the first layer comprising silicon nitride, located under the metallic layer comprising zirconium, is significantly thicker than the second layer comprising silicon nitride which is located over the metallic layer comprising zirconium, and wherein the second layer comprising silicon nitride is an overcoat so as to be an outermost layer of the layer system. 13. The coated article of claim 12, wherein the metallic layer comprising zirconium is in direct contact with each of the first and second layers comprising silicon nitride.14. The coated article of claim 12, wherein the coated article is heat treated and has a ΔE*G (glass side reflective) value of no greater than 4.0 due to heat treatment.15. The coated article of claim 12, wherein the coated article is heat treated and has a ΔE*G (glass side reflective) value of no greater than 2.5 due to heat treatment, wherein the heat treatment is for at least about 5 minutes at a temperature(s) of at least about 580 degrees C.16. The coated article of claim 12, wherein the coated article is heat treated and has a ΔE*G (glass side reflective) value of no greater than 2.0 due to heat treatment.17. The coated article of claim 12, wherein the coated article is chemically durable in that it is characterized by a ΔCG (glass side reflective) value of no greater than 3.0 when exposed to a boil comprising HCl for one hour.18. The coated article of claim 1, wherein the coated article comprises an IG window unit.19. The coated article of claim 12, wherein the coated article comprises an IG window unit.20. A window including a layer system supported by a glass substrate, the layer system comprising:a first dielectric layer comprising silicon nitride; a layer comprising zirconium; a second dielectric layer comprising silicon nitride; wherein the layer comprising zirconium is sandwiched between at least the first and second dielectric layers which comprise silicon nitride; wherein the first dielectric layer comprising silicon nitride, located under the layer comprising zirconium, is significantly thicker than the second dielectric layer comprising silicon nitride which is located over the layer comprising zirconium; wherein the layer system in combination with the glass substrate has a ΔE*G (glass side reflective) value of no greater than 4.0 when heat treated for thermal tempering; and wherein the window has a visible transmission of from 10-40%. 21. The window of claim 20, wherein the layer comprising zirconium is one of metallic zirconium and zirconium nitride.22. The coated article of claim 1, wherein the first layer comprising silicon nitride is at least twice as thick as the second layer comprising silicon nitride.23. The coated article of claim 12, wherein the first layer comprising silicon nitride is at least twice as thick as the second layer comprising silicon nitride.24. The window of claim 20, wherein the first layer comprising silicon nitride is at least twice as thick as the second layer comprising silicon nitride.25. The coated article of claim 12, wherein the coated article has a visible transmission of from about 10-40%.26. A coated article including a layer system supported by a glass substrate, the layer system comprising:a first layer comprising silicon nitride; a layer comprising zirconium nitride provided on the glass substrate over the first layer comprising silicon nitride; a second layer comprising silicon nitride provided on the glass substrate over the layer comprising zirconium nitride; wherein the first layer comprising silicon nitride, located under the layer comprising zirconium nitride, is significantly thicker than the second layer comprising silicon nitride which is located over the layer comprising zirconium nitride, and wherein the coated article has a visible transmission of from about 10-40%. 27. The coated article of claim 26, wherein the coated article is blue in color due to design of layers of the layer system.28. The coated article of claim 1, wherein the coated article is blue in color due to design of layers of the layer system.29. The coated article of claim 16, wherein the coated article is blue in color due to design of layers of the layer system.30. The window of claim 20, wherein the coated article is blue in color due to design of layers of the layer system.